Source-Changes-HG archive

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index][Old Index]

[src/trunk]: src/sys/arch/evbarm/iq80310 Add some nops after we enable the MM...



details:   https://anonhg.NetBSD.org/src/rev/822c818a474d
branches:  trunk
changeset: 522630:822c818a474d
user:      thorpej <thorpej%NetBSD.org@localhost>
date:      Sat Feb 23 05:58:46 2002 +0000

description:
Add some nops after we enable the MMU, for good measure (enough for
the nops to be the prefetch'd insns when the MMU switch occurs).

diffstat:

 sys/arch/evbarm/iq80310/iq80310_machdep.c |  4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)

diffs (18 lines):

diff -r b57d559f64c4 -r 822c818a474d sys/arch/evbarm/iq80310/iq80310_machdep.c
--- a/sys/arch/evbarm/iq80310/iq80310_machdep.c Sat Feb 23 05:55:26 2002 +0000
+++ b/sys/arch/evbarm/iq80310/iq80310_machdep.c Sat Feb 23 05:58:46 2002 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: iq80310_machdep.c,v 1.30 2002/02/23 05:55:26 thorpej Exp $     */
+/*     $NetBSD: iq80310_machdep.c,v 1.31 2002/02/23 05:58:46 thorpej Exp $     */
 
 /*
  * Copyright (c) 2001, 2002 Wasabi Systems, Inc.
@@ -794,7 +794,7 @@
        __asm __volatile("mrc p15, 0, %0, c1, c0, 0"
                : "=r" (tmp));
        tmp |= CPU_CONTROL_MMU_ENABLE;
-       __asm __volatile("mcr p15, 0, %0, c1, c0, 0"
+       __asm __volatile("mcr p15, 0, %0, c1, c0, 0; nop; nop; nop"
                :
                : "r" (tmp));
        }



Home | Main Index | Thread Index | Old Index